Finding the Fourth Proportional to 3,813,391.31, 5,720,133.53 and 1,117,771.03
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Solution
The fourth proportional to 3,813,391.31, 5,720,133.53 and 1,117,771.03 is: 1,676,670.19
Step by Step Solution
- Step 1: Write the proportion equation
3,813,391.31 : 5,720,133.53 = 1,117,771.03 : x - Step 2: Convert to fraction form
3,813,391.31/5,720,133.53 = 1,117,771.03/x - Step 3: Cross multiply
3,813,391.31x = 5,720,133.53 × 1,117,771.03 - Step 4: Simplify right side
3,813,391.31x = 6,393,799,542,392.75 - Step 5: Solve for x
x = 6,393,799,542,392.75/3,813,391.31 - Step 6: Final answer
x = 1,676,670.19
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.